Mastering Automated Code Refactoring with OpenRewrite from Udemy

Unlock the power of automated code transformation with my beginner-friendly course on OpenRewrite. Whether you're a seasoned developer or just starting your coding journey, this course is designed to equip you with the basic skills and knowledge to leverage OpenRewrite for efficient code refactoring and modernization.

What You Will Learn:

Introduction to OpenRewrite: Understand what OpenRewrite is and how it revolutionizes the way we approach code changes.
Setting Up Your Environment: Step-by-step guidance on installing and configuring OpenRewrite in your development environment.
Creating Your First Recipe: Learn how to write custom recipes that automate complex code transformations, saving you time and reducing errors.

Who This Course Is For:

Software developers looking to enhance their refactoring skills
Anyone interested in modernizing legacy codebases

Why Choose This Course?

This course offers a unique blend of theory and practice. Join a community of learners who are transforming their coding practices with OpenRewrite. By the end of this course, you'll have understood all the basics you need to use OpenRewrite in your projects and write your very own first recipes.

Enroll Now.

Don’t miss out on the opportunity to elevate your coding skills. Enroll today and start mastering OpenRewrite—your future self will thank you.

What's inside

Learning objectives

Learn to automate tedious refactoring tasks using openrewrite to enhance efficiency
Gain skills to accelerate the migration of legacy codebases using openrewrite
Explore ways to boost your productivity by automating repetitive tasks with openrewrite
Discover how to standardize code changes with openrewrite for better team collaboration

Understand how to apply consistent best practices with openrewrite to improve overall code quality
Learn to create custom recipes in openrewrite that cater to your project's unique requirements
Participate in a hands-on case study, applying what you've learned in a practical scenario with openrewrite

Learn to automate tedious refactoring tasks using openrewrite to enhance efficiency
Gain skills to accelerate the migration of legacy codebases using openrewrite
Explore ways to boost your productivity by automating repetitive tasks with openrewrite
Discover how to standardize code changes with openrewrite for better team collaboration
Understand how to apply consistent best practices with openrewrite to improve overall code quality
Learn to create custom recipes in openrewrite that cater to your project's unique requirements
Participate in a hands-on case study, applying what you've learned in a practical scenario with openrewrite

Syllabus

Getting started

What OpenRewrite is

How it works in a nutshell

System requirements

Choosing a code base

A first example

Core concepts

Lossless semantic trees (LSTs)

Recipes

OpenRewrite vs. Moderne

Visitors

Styles

Working with OpenRewrite

Activating and running recipies

Running recipes without modifying the build

Running recipes without building

Finding recipies

Configuration of recipies

Using styles

Adding new recipe sources

Recipe composition

Text based recipes

Integrating with your build pipeline

Creating own recipes

Types of recipes

Creating declarative recipes

Refaster templates (preparations)

Create Refaster-template recipes

Imperative recipes: Preparations

Imperative recipes: Basic structure

Imperative recipes: Visiting nodes

Imperative recipe testing

Cursors basics

Visitor data sharing

Imperative recipes: Making changes

Implementing non-isomorphic visitors

Providing configuration options

Using multiple visitors

Recipe validation

Best practices

Case study: Migration to lombok

Bonus: Getting further help

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Provides skills to modernize legacy codebases, which is essential for maintaining and improving older software systems

Teaches how to automate repetitive tasks, which can significantly boost productivity and reduce the risk of human error

Explores lossless semantic trees, which are essential for precise and reliable code transformations during refactoring

Covers recipe composition, which allows developers to create complex and reusable code transformation workflows

Requires learners to choose a codebase, which may require access to proprietary code or a personal project

Compares OpenRewrite with Moderne, which may be confusing for beginners unfamiliar with both tools

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Mastering Automated Code Refactoring with OpenRewrite with these activities:

Review Core Java Concepts

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Strengthen your understanding of core Java concepts like object-oriented programming, data structures, and algorithms. This will provide a solid foundation for understanding how OpenRewrite manipulates code.

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Review Java tutorials and documentation.
Practice coding exercises on platforms like HackerRank or LeetCode.

Read 'Working Effectively with Legacy Code' by Michael Feathers

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Learn strategies for working with legacy codebases, which are often the target of OpenRewrite refactoring. This will help you apply OpenRewrite effectively in real-world scenarios.

View Brutal Refactoring on Amazon

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Read the book cover to cover.
Focus on the techniques for identifying and mitigating risks when refactoring legacy code.

Read 'Refactoring: Improving the Design of Existing Code' by Martin Fowler

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Gain a deeper understanding of refactoring principles and patterns. This will help you appreciate the power and limitations of automated refactoring with OpenRewrite.

View Melania on Amazon

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Read the book cover to cover.
Focus on the refactoring patterns relevant to your codebase.

Four other activities

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Create a Simple OpenRewrite Recipe

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Solidify your understanding of OpenRewrite by creating a simple recipe. This hands-on experience will reinforce the concepts learned in the course.

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Choose a small, well-defined refactoring task.
Write an OpenRewrite recipe to automate the task.
Test the recipe on a small codebase.

Document Your OpenRewrite Recipes

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Improve your understanding and help others by documenting the OpenRewrite recipes you create. This will also reinforce your knowledge of the recipe's functionality.

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Write a clear and concise description of the recipe's purpose.
Explain the recipe's configuration options.
Provide examples of how to use the recipe.

Practice Refactoring Kata

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Sharpen your refactoring skills by practicing refactoring kata. This will help you develop the intuition and skills needed to write effective OpenRewrite recipes.

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Choose a refactoring kata from a reputable source.
Practice the kata repeatedly, focusing on different refactoring techniques.
Consider how you could automate the refactoring steps using OpenRewrite.

Contribute to the OpenRewrite Project

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Deepen your understanding of OpenRewrite by contributing to the open-source project. This will expose you to real-world use cases and best practices.

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Explore the OpenRewrite codebase.
Identify a bug or feature request.
Submit a pull request with your changes.

Career center

Learners who complete Mastering Automated Code Refactoring with OpenRewrite will develop knowledge and skills that may be useful to these careers:

Code Modernization Specialist

A Code Modernization Specialist focuses on updating and improving older software systems. This is a critical role as organizations seek to maintain and extend the life of their legacy code. Using the skills taught in this course, a specialist can automate the tedious and error-prone aspects of code transformation. OpenRewrite is a powerful tool for automating code refactoring and modernization, which directly aligns with the responsibilities of a code modernization specialist. The course's focus on creating custom recipes and integrating with build pipelines would be extremely beneficial, as these skills allow for tailored solutions to specific modernization challenges. Understanding recipes and their composition is also crucial.

See salaries and explore the career path for Code Modernization Specialist

Software Refactoring Engineer

The job of a Software Refactoring Engineer is centered around improving the internal structure of existing code without changing its external behavior. This course helps build a strong foundation for this role. Refactoring can be a time-consuming and complex process, but OpenRewrite helps automate many of the tasks. The course's emphasis on creating custom recipes and understanding core concepts such as Lossless Semantic Trees allows a software refactoring engineer to efficiently address complex refactoring challenges. Learning about imperative recipes and implementing non-isomorphic visitors may also prove useful. By the end of this course, you could streamline refactoring workflows and improve code quality.

See salaries and explore the career path for Software Refactoring Engineer

Legacy System Migration Specialist

A Legacy System Migration Specialist is responsible for moving applications and data from outdated systems to newer, more efficient platforms. This course offers valuable skills to accelerate the migration of legacy codebases using OpenRewrite. By creating custom recipes in OpenRewrite, a specialist can tailor the migration process to the specific needs of the legacy system, automating complex code transformations and reducing errors. The hands-on case study and the ability to apply consistent best practices with OpenRewrite is also relevant to this role.

See salaries and explore the career path for Legacy System Migration Specialist

Build Engineer

Build Engineers are responsible for designing, implementing, and maintaining the build, release, and configuration management systems for software development projects. Automating code refactoring and modernization is essential to this role. This course may be useful for a Build Engineer, as they learn how to integrate OpenRewrite into their build pipelines. The focus on configuration of recipes, adding new recipe sources, and recipe composition are all relevant to this role. A key aspect of the course is its introduction to OpenRewrite and how it works in a nutshell.

See salaries and explore the career path for Build Engineer

Code Quality Analyst

Code Quality Analysts focus on ensuring that software code meets specific standards for readability, maintainability, and performance. Using OpenRewrite, you can discover how to apply consistent best practices to improve overall code quality. The course offers a unique blend of theory and practice. You can also participate in a hands-on case study, applying what you've learned in a practical scenario with OpenRewrite. By the end of this course, you'll have understood all the basics you need to use OpenRewrite in your projects and write your very own first recipes.

See salaries and explore the career path for Code Quality Analyst

DevOps Engineer

A DevOps Engineer works to automate and streamline the software development lifecycle, from coding and deployment, to maintenance and updates. This course may be useful for a DevOps Engineer by giving them the basic skills and knowledge to leverage OpenRewrite for efficient code refactoring and modernization. By understanding how to integrate OpenRewrite into build pipelines, a DevOps engineer can ensure that code is consistently refactored and modernized as part of the continuous integration and continuous deployment process. Understanding recipes is crucial for this role. The course may also help boost productivity by automating repetitive tasks with OpenRewrite.

See salaries and explore the career path for DevOps Engineer

Automation Engineer

Automation Engineers design, develop, and implement automated solutions to improve efficiency and reduce errors in various processes, including software development. This course may be useful for Automation Engineers looking to streamline code refactoring and modernization. By mastering OpenRewrite, they can automate repetitive tasks, standardize code changes, and apply consistent best practices, ultimately improving overall code quality and accelerating the development cycle. The hands-on case study, applying what you've learned in a practical scenario with OpenRewrite, will be of great use to you.

See salaries and explore the career path for Automation Engineer

Java Developer

Java Developers design, develop, and maintain Java-based applications. This course may be useful for Java Developers, especially those working on large or legacy codebases. Mastering OpenRewrite can automate tedious refactoring tasks, accelerate the migration of legacy code, and boost productivity by automating repetitive tasks. The ability to create custom recipes tailored to a project's unique requirements is particularly valuable for Java Developers. The system requirements for OpenRewrite are covered, as well as how it works in a nutshell.

See salaries and explore the career path for Java Developer

Software Engineer

Software Engineers design, develop, test, and deploy software applications. This course may be useful for Software Engineers looking to improve their refactoring skills and modernize legacy codebases. OpenRewrite helps automate complex code transformations, saving time and reducing errors. The course provides a unique blend of theory and practice, equipping engineers with the basic skills and knowledge needed to use OpenRewrite effectively. The focus on creating custom recipes and integrating with build pipelines can be particularly valuable.

See salaries and explore the career path for Software Engineer

Solutions Architect

Solutions Architects design and implement comprehensive technology solutions that meet specific business needs. This course may be useful for Solutions Architects, especially those dealing with complex software projects that require extensive refactoring or modernization. OpenRewrite automates many of the tedious tasks in code transformation. The ability to create custom recipes and integrate OpenRewrite into build pipelines allows a solutions architect to ensure that code adheres to established standards and best practices. The core concepts section should be of use.

See salaries and explore the career path for Solutions Architect

Software Architect

Software Architects are responsible for making high-level design choices and setting technical standards for software development projects, including decisions about code quality and maintainability. Software Architects will find this course pertinent in its ability to standardize code changes with OpenRewrite for better team collaboration and improve overall code quality by applying consistent best practices. By the end of this course, you'll have understood all the basics you need to use OpenRewrite in your projects and write your very own first recipes.

See salaries and explore the career path for Software Architect

Technical Lead

Technical Leads guide teams of developers, ensuring that projects are completed efficiently and to a high standard. This course helps automate tedious refactoring tasks using OpenRewrite to enhance efficiency. With OpenRewrite, technical leads can standardize code changes across the team, promoting better collaboration and consistency. Specifically, learning how to create custom recipes in OpenRewrite to cater to a project's unique requirements can be especially valuable. Understanding recipes is helpful in this role. The bonus of getting further help adds to the benefits.

See salaries and explore the career path for Technical Lead

Configuration Manager

Configuration Managers are responsible for maintaining the integrity of software and hardware configurations throughout the software development lifecycle. This course may be useful for Configuration Managers, as they can learn to integrate OpenRewrite into their configuration management processes. Standardizing code changes with OpenRewrite can ensure that all code modifications adhere to established conventions, reducing the risk of configuration errors. The course focuses on core concepts and types of recipes.

See salaries and explore the career path for Configuration Manager

Software Consultant

Software Consultants provide expert advice and guidance to organizations on how to improve their software development processes and systems. This course may be useful for Software Consultants, particularly those focused on code quality and modernization. With a solid understanding of OpenRewrite, they can recommend and implement automated code refactoring solutions, helping clients to enhance efficiency, reduce technical debt, and improve overall code quality. The specific application of OpenRewrite vs Moderne could be useful. By the end of this course, you'll have understood all the basics you need to use OpenRewrite in your projects and write your very own first recipes.

See salaries and explore the career path for Software Consultant

Application Architect

Application Architects are responsible for the overall design and structure of software applications, ensuring they meet business requirements and technical standards. This course directly helps advance an application architect's knowledge. By applying consistent best practices with OpenRewrite, they can improve overall code quality and ensure that applications are maintainable and scalable. The course's focus on creating custom recipes and understanding core concepts is also valuable. The hands-on case study will be beneficial in applying what you've learned.

See salaries and explore the career path for Application Architect

Mastering Automated Code Refactoring with OpenRewrite

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